<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
      </el-row>
      <el-table :data="userList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态" prop="mg_state">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChange(scope.row)"
            >
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.id)"
            ></el-button>
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUserById(scope.row.id)"
            ></el-button>
            <el-tooltip
              effect="dark"
              content="分配角色"
              placement="top"
              :enterable="false"
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
                @click="setRole(scope.row)"
              ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>

    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="30%"
      @close="addDialogClosed"
    >
      <el-form
        ref="addFormRef"
        :model="addForm"
        :rules="addFormRules"
        label-width="100px"
      >
        <el-form-item label="用户名:" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码:" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱:" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号:" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>

    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="50%"
      @close="editDialogClosed"
    >
      <el-form
        ref="editFormRef"
        :model="editForm"
        :rules="editFormRules"
        label-width="100px"
      >
        <el-form-item label="用户名:" prop="username">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱:" prop="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号:" prop="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
    </el-dialog>

    <el-dialog
      title="分配角色"
      :visible.sync="setRoleDialogVisible"
      width="50%"
      @close="setRoleDialogClosed"
    >
      <div>
        <p>当前的用户：{{ userInfo.username }}</p>
        <p>当前的用户：{{ userInfo.role_name }}</p>
        <p>
          分配新角色：
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option
              v-for="item in roleList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id"
            ></el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data () {
    const checkEmail = (rule, value, cb) => {
      const regEmail =
        /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((\.[a-zA-Z0-9_-]{2,3}){1,2})$/;
      if (regEmail.test(value)) {
        return cb();
      }
      cb(new Error('请输入合法的邮箱'));
    };
    const checkMobile = (rule, value, cb) => {
      const regMobile = /^1[3|4|5|7|8][0-9]{9}$/;
      if (regMobile.test(value)) {
        return cb();
      }
      cb(new Error('请输入合法的手机号'));
    };
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 2
      },
      userList: [],
      total: 0,
      addDialogVisible: false,
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: '',
        rid: 0
      },
      addFormRules: {
        username: [
          {
            required: true,
            message: '请输入用户名',
            trigger: 'blur'
          },
          {
            min: 3,
            max: 10,
            message: '用户名的长度在3~10个字符之间',
            trigger: 'blur'
          }
        ],
        password: [
          {
            required: true,
            message: '请输入密码',
            trigger: 'blur'
          },
          {
            min: 6,
            max: 15,
            message: '密码的长度在6~15个字符之间',
            trigger: 'blur'
          }
        ],
        email: [
          {
            required: true,
            message: '请输入用户邮箱',
            trigger: 'blur'
          },
          {
            validator: checkEmail,
            trigger: 'blur'
          }
        ],
        mobile: [
          {
            required: true,
            message: '请输入用户手机号',
            trigger: 'blur'
          },
          {
            validator: checkMobile,
            trigger: 'blur'
          }
        ]
      },
      editDialogVisible: false,
      editForm: {},
      editFormRules: {
        email: [
          {
            required: true,
            message: '请输入用户邮箱',
            trigger: 'blur'
          },
          {
            validator: checkEmail,
            trigger: 'blur'
          }
        ],
        mobile: [
          {
            required: true,
            message: '请输入用户手机号',
            trigger: 'blur'
          },
          {
            validator: checkMobile,
            trigger: 'blur'
          }
        ]
      },
      setRoleDialogVisible: false,
      userInfo: {},
      roleList: [],
      selectedRoleId: ''
    };
  },
  created () {
    this.getUserList();
  },
  methods: {
    async getUserList () {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo
      });
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败！');
      }
      this.userList = res.data.users;
      this.total = res.data.total;
    },
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize;
      this.getUserList();
    },
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage;
      this.getUserList();
    },
    async userStateChange (userInfo) {
      const { data: res } = await this.$http.put(
        `users/${userInfo.id}/state/${userInfo.mg_state}`
      );
      if (res.meta.status !== 200) {
        userInfo.mg_state = !userInfo.mg_state;
        return this.$message.error('更新用户状态失败！');
      }
      this.$message.success('更新用户状态成功');
    },
    addDialogClosed () {
      this.$refs.addFormRef.resetFields();
    },
    addUser () {
      this.$refs.addFormRef.validate(async (valid) => {
        if (!valid) return;
        const { data: res } = await this.$http.post('users', this.addForm);

        if (res.meta.status !== 201) {
          this.$message.error('添加用户失败！');
        }
        this.$message.success('添加用户成功！');
        this.addDialogVisible = false;
        this.getUserList();
      });
    },
    async showEditDialog (id) {
      const { data: res } = await this.$http.get('users/' + id);
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败！');
      }
      this.editForm = res.data;
      this.editDialogVisible = true;
    },
    editDialogClosed () {
      this.$refs.editFormRef.resetFields();
    },
    editUserInfo () {
      this.$refs.editFormRef.validate(async (valid) => {
        if (!valid) return;
        const { data: res } = await this.$http.put(
          'users/' + this.editForm.id,
          { email: this.editForm.email, mobile: this.editForm.mobile }
        );
        if (res.meta.status !== 200) {
          return this.$message.error('更新用户信息失败！');
        }
        this.editDialogVisible = false;
        this.getUserList();
        this.$message.success('更新用户信息成功！');
      });
    },
    async removeUserById (id) {
      const confirmResult = await this.$confirm(
        '此操作将永久删除该用户, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch((err) => err);
      if (confirmResult !== 'confirm') {
        return this.$message({
          type: 'info',
          message: '已取消删除'
        });
      }
      const { data: res } = await this.$http.delete('users/' + id);
      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败！');
      }
      this.$message.success('删除用户成功！');
      this.getUserList();
    },
    async setRole (userInfo) {
      this.userInfo = userInfo;
      const { data: res } = await this.$http.get('roles');
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败！');
      }
      this.roleList = res.data;
      this.setRoleDialogVisible = true;
    },
    async saveRoleInfo () {
      if (!this.selectedRoleId) {
        return this.$message.error('请选择要分配的角色！');
      }
      const { data: res } = await this.$http.put(
        `users/${this.userInfo.id}/role`,
        { rid: this.selectedRoleId }
      );
      if (res.meta.status !== 200) {
        return this.$message.error('更新角色失败！');
      }
      this.$message.success('分配角色成功！');
      this.getUserList();
      this.setRoleDialogVisible = false;
    },
    setRoleDialogClosed () {
      this.selectedRoleId = '';
      this.userInfo = {};
    }
  }
};
</script>

<style lang="less" scoped="scoped">
</style>
